The open letter protests the University of California’s investment of more than $448 million in corporations that operate in South Africa and states the demand by Campuses United Against Apartheid for immediate divestment. The letter addresses these questions: What is the role of U.S. corporations in South Africa?, Could U.S. Investment Be a Significant Force For Change?, What Effect Would Withdrawal of American Corporations Have?, What Is The Extent Of UC Complicity In The South African Apartheid System?, and Why Divest? [Note: It is not known in what city this document was produced. This version may have been produced for public circulation after the date of the letter.]